jeon chaeyoung and her husband jeon jungkook, have a dysfunctional relationship. they lose their child jeon somin and jungkook starts an affair with an old friend, lalisa manoban. after the couple divorce. jeon chaeyoung gets into a mysterious car accident and loses her memory. kim taehyung who saw her on the street, saves jeon chaeyoung and makes her park roseanne, chaeyoung become taehyung's fiancé and lives with his family. what will happen when jungkook and chaeyoung meets again? will the couple be able to go to how they used to be before? - inspired by I Have A Lover (2015-2016)